Would you offer myomectomy to a patient with history of pelvic mesonephric adenocarcinoma, s/p resection and a hyper metabolic myometrial mass on PET CT?

Young nulliparous woman, initial tumor at the level of left ureter was fully resected robotically, uterus and ovaries remain in-situ. Cervical and endometrial sampling are negative and she strongly desires fertility. Additionally, would you offer MIS or perform open?